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MAG

Overview​

Configuration guide for MAG (magnetic) sensors.

Blue Puck MAG

If you want to install the tag on a metallic surface, it is strongly recommended to use our TAG HOLDER to avoid disturbances caused by metal on radio transmission.

Other magnets can be used, but proper operation is only guaranteed with our products.

Sensor installation​

MAG sensors use a Hall effect sensor to detect the presence or absence of a magnet.

For proper detection, the magnet must be positioned:

  • on the top side of the tag
  • near the logo
  • on the side indicated by the arrow on the enclosure
Arrow position on the Blue Puck MAG tagMagnet position relative to the Blue Puck MAG tag

Use cases​

The images below show installation examples for MAG sensors.

Blue Puck MAG mounting example 1Blue Puck MAG mounting example 2

Tag operation​

These sensors are used to detect whether equipment is open or closed.

  • If the magnet is not detected → value = 0
  • If the magnet is detected → value = 1

In normal operation, the tag sends a BLE frame periodically according to the BLE Emit Period configured via NFC.

Event mode (fast event)​

When an event occurs (magnet detection), the tag triggers the fast event frame mode:

  • Transmission rate becomes 10 times faster than the advertising interval
  • Data remains identical to standard advertising frames
  • Only the transmission frequency changes

This phase lasts for a duration equal to the configured advertising period:

  • 10 frames are sent
Blue Puck MAG fast event frame recurrence example